Ntopng corellate flows with dns lookups5/16/2023 ![]() ![]() And using a great one can significantly reduce your DNS lookups. Same as website hosting services, there are also reliable and less reputable DNS providers out there. You may want to use this method (NOT tested) to prevent ntopng from starting immediately after installation, thus using the wrong redis database. All that is left is to reduce DNS lookups so your website performance can improve. Warning for redis (unbound) users: you'll need an additional configuration setting to force ntopng to use redis database 1 (unbound uses database 0 - this doesn't appear to be configurable) echo | sudo tee -a /etc/ntopng/nf ![]() you to correlate the event with traffic and drill-down to the flows that created such. A DNS request is sent by the client, to its configured DNS server to resolve the destination IP address (this is done first in order to accommodate HTTP requests that are configured to bypass the proxy) Once the destination IP is received from DNS, and just before the HTTP request is sent, the request is checked against the exception list. Sudo -i sed '/ExecStart=/ s/$/ -community/' $fileĮcho '-packet-filter="port 53"' | sudo tee -a $file If ntopng has difficulty handling the large number of Active Flows and Hosts, a red badge will be visible on the Traffic DashBoard in the upper right corner. Collecting Flows from Hundred of Routers Using Observation Points. ![]() Sudo apt-get -y install ntopng nprobe n2n The end user presses the Query button and can now see that DNS traffic from. Pi-hole Version v4.3.2 Web Interface Version v4.3.2 FTL Version v4.3.1 16 shows a schematic diagram of process flow according to the invention. Raspbian Buster Lite Version: September 2019 Release date: ![]()
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